diff --git a/patroni/version.py b/patroni/version.py
index b7a55314..7962f44c 100644
--- a/patroni/version.py
+++ b/patroni/version.py
@@ -1 +1,5 @@
+"""This module specifies the current Patroni version.
+
+:var __version__: the current Patroni version.
+"""
 __version__ = '3.0.1'